3α-Hydroxy-3-deoxocyproterone 17-acetate CAS 167356-55-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 167356-55-0 |
| Molecular Formula | C24H31ClO4 |
| Molecular Weight | 418.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3α-Hydroxy-3-deoxocyproterone 17-acetate (CAS 167356-55-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C24H31ClO4. Molecular weight: 418.95 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C24H31ClO4 |
| Molecular Weight | 418.95 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2004 |
| Halogen Content | Cl-containing |
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Recommended Standards
- Midazolam Impurity 29 (CAS CATO-C4X-150929)
- Etodroxizine (CAS 17692-34-1)
- Ticagrelor Impurity 47 (CAS 376608-74-1)
- (βS)-3,4-Difluoro-β-hydroxybenzenepropanenitrile (CAS 2639941-28-7)
- 4-(2-Fluorobenzylidene)oxazol-5(4H)-one (CAS 89242-25-1)
- 1-N,1-N-dimethylcyclohexane-1,2-diamine dihydrochloride (CAS 1234860-01-5)
- 2-(Difluoromethyl)-3-methoxy-4-methylpyridine-6-sulfonamide (CAS 1805198-76-8)
- Astragaloside (CAS 17429-69-5)
- 4-(1-Methylcyclopropyl)pyridine (CAS 865075-06-5)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com